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Old 07-03-2017, 02:45 PM   #15
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The check valve in the pump is easily replaced and many RV stores have the rebuild kit. A rep at a rally gave me one for free so it can't be very expensive.
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Old 07-03-2017, 02:56 PM   #16
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CK the flow back valve on the fresh water. Ours had back pressure on the fresh water inlet.
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Old 07-04-2017, 01:33 PM   #17
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Water pump runs when not using water

Fresh water systems are very simple for the most part. To be more direct, if your pump is running when the faucet is off?? Then you have a leak in the system. Check your plumbing to see where the leak is coming from. Fresh water pumps will only run when the water is being used. If your not using the water and the pump is still running. Then then either the water is leaking out somewhere or you have a bad pump. The only other thing that could create this scenario is if the water level is low in your fresh water tank and the pump cannot adequately pressurize the system. Check your tanks drain plugs to make sure you didn't accidentally leave one open. Make sure you check your tank meter frequently and keep the tank at least half full all the time. Because just like the fuel pump in your car, adequate water in the fresh tank also serves to prevent your fresh water pump from overheating. Don't forget to run bleach through the system once every three months to keep the system clean, good working order and keep harmful bacteria out of the system. Then completely drain the system and fill with fresh, clean drinking water.
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Old 07-04-2017, 01:41 PM   #18
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>"Red Hat Valve ???"

Assume that is the over-pressure release valve on the water heater.
Often has a 'red label' on it.
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Old 07-04-2017, 01:48 PM   #19
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Why would you leave the pump switch on when not using water? I have always turned these on only when needed.

Once, however, in a campground with full hook ups, the YL left on the pump switch on and it kept cycling while we were sleeping. Took a long time laying awake to finally figure out what was running.
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Old 07-04-2017, 01:55 PM   #20
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Water pump runs when not using water

Quote:
Originally Posted by Craig36 View Post
Why would you leave the pump switch on when not using water? I have always turned these on when needed.

Once, however, in a campground with full hook ups, the YL left on the pump switch on and it kept cycling while we were sleeping. Took a long time laying awake to finally figure out what was running.

The check valve on the pump is suppose to prevent the pump from ever coming on when city water pressure is present. I think he might be right. A bad check valve in the water pump is rare but it does happen. So if that's the case it might just be worth replacing the pump in case it has other issues that won't be obvious until later on down the road
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Old 07-05-2017, 05:36 AM   #21
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FYI...Since we're talking about water, pumps and city water supply, thought i'd mention that, if in CG with full hookups, it's always a good idea to turn the water off at the city water supply spigot if you're going to leave your MH unattended at the CG for extended periods of time.
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Old 07-06-2017, 11:35 AM   #22
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FYI...Since we're talking about water, pumps and city water supply, thought i'd mention that, if in CG with full hookups, it's always a good idea to turn the water off at the city water supply spigot if you're going to leave your MH unattended at the CG for extended periods of time.

Once at a campground, I saw water running out the entry door of what appeared to be a brand new RV. I turned off the water and alerted the management.
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Old 07-06-2017, 12:02 PM   #23
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I would hate to come back to my rig and see water pouring out. Good point on the shut off idea! Funny how many little RV tips can make life easier at the end of the day.
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Old 07-07-2017, 01:24 PM   #24
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We were in a Texas campground one night and my wife was written by someone pounding on the site of the camper. She woke me to check what was going on. The nylon drain plug in our water heater had failed and water was blasting out of the heater.
We turned the water off for the knight and elected the plug with a brass plug in the morning.
Turning the water of at the spigot before leaving for the day sounds reasonable.
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Old 07-07-2017, 05:01 PM   #25
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Had the same problem and what I found in my case was that the valve that selects between filling my tank and City Water Hookup was not all the way in the correct position allowing it to "leak" into the water fill line. I opened the valve and closed it again firmly and the problem went away
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Old 07-07-2017, 05:14 PM   #26
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Quote:
Originally Posted by CWJK55 View Post
We were in a Texas campground one night and my wife was written by someone pounding on the site of the camper. She woke me to check what was going on. The nylon drain plug in our water heater had failed and water was blasting out of the heater.
We turned the water off for the knight and elected the plug with a brass plug in the morning.
Turning the water of at the spigot before leaving for the day sounds reasonable.
Good luck trying to get that brass plug out if it's been in very long, it causes electrolysis and will weld itself in, that's why they use the nylon plug.
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